Chinese smartphone maker OnePlus had a big hit last year with the $299 OnePlus One, which offered powerful specs at a bargain price. The company is hoping it can follow this success with the OnePlus 2, which is scheduled to be unveiled later this month. However, Chinese wireless regulator TENAA has published pictures of the device ahead of the launch, showing, well, a rather similar smartphone to last year, albeit with a new, physical home button. This is almost certainly the OnePlus...